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Steering front shaft with strengthened fist part

A fist and front axle technology, which is applied in the field of improving the mechanical strength of the fist of the steering front axle, can solve the problems of small wall thickness and low mechanical strength, and achieve the effects of enhancing mechanical strength, improving utilization rate, and increasing mechanical strength

Active Publication Date: 2017-02-15
DONGFENG COMML VEHICLE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the defects and problems existing in the prior art that the wall thickness is small and the mechanical strength is low, and to provide a steering front axle with a large wall thickness and high mechanical strength and a reinforced fist

Method used

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  • Steering front shaft with strengthened fist part
  • Steering front shaft with strengthened fist part
  • Steering front shaft with strengthened fist part

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] see Figure 1 to Figure 3, a steering front axle with reinforced fist, comprising a front axle main body 1, a steering front axle fist 2 and a kingpin hole 3, the outer end of the front axle main body 1 is connected to the steering front axle fist through a circular arc transition portion 11 2 are connected to each other, the fist part 2 of the front steering shaft is a hollow cylindrical structure, and a through kingpin hole 3 is opened in the middle part of the fist part 2 of the front steering shaft;

[0041] The cross-section of the fist part 2 of the steering front axle is a closed ring structure, which includes an arc-shaped radially outer flange 4, a longitudinal front flange 5, a radially inner flange 6, and a longitudinal rear protrusion. Edge 7, the upper side of the radially outer flange 4 is connected to the left side of the longitudinal front flange 5, and the right side of the longitudinal front flange 5 is connected to the upper side of the radially inner...

Embodiment 2

[0044] Basic content is the same as embodiment 1, the difference is:

[0045] The range of b+2r+d greater than 2r+2a is 5 mm to 15 mm, preferably the range of b+2r+d greater than 2r+2a is 10 mm.

Embodiment 3

[0047] Basic content is the same as embodiment 1, the difference is:

[0048] The values ​​of b and d are equal, the values ​​of a and c are equal, and b is greater than a. At this time, the cross-section of the fist portion 2 of the front axle is approximately elliptical.

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Abstract

A steering front shaft with a strengthened fist part comprises a front shaft body, the steering front shaft fist part and a main pin hole. The outer end of the front shaft body is connected with the outer side of the steering front shaft fist part through an arc transition part. The cross section of the steering front shaft fist part is of a closed annular structure. The distance between a radial outer flange and the main pin shaft hole of the steering front shaft fist part, the distance between a longitudinal front flange and the main pin shaft hole of the steering front shaft fist part, the distance between a radial inner flange and the main pin shaft hole of the steering front shaft fist part and the distance between a longitudinal rear flange and the main pin shaft hole of the steering front shaft fist part are a, b, c and d correspondingly. The radius of the main pin hole is r, and b+2r+d is larger than 2r+2a. According to the design, the wall thickness of the steering front shaft fist part can be increased, the mechanical strength of the steering front shaft fist part can be improved, the space utilization rate can be increased, and the increased weight is small.

Description

technical field [0001] The invention relates to a steering front shaft facility, in particular to a steering front shaft with a reinforced fist, which is particularly suitable for improving the mechanical strength of the fist of the steering front shaft. Background technique [0002] At present, in the field of heavy-duty vehicles, especially in the field of engineering vehicles, the fist of the steering front axle is connected with the steering knuckle through the kingpin, and the steering knuckle rotates with the wheels left and right, which limits the external dimensions of the fist of the steering front axle. Therefore, the existing steering The cross section of the fist of the front axle is generally circular, resulting in a smaller wall thickness and lower strength of the fist of the steering front axle. When the vehicle load is heavy or the road conditions are complex, the steering front axle needs to carry a large load. , as the road conditions change, the load on th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60B35/06
CPCB60B35/06
Inventor 张博奇常涛张腾心汤超王木生甘晓珍程婷婷吴铁峰徐忠志
Owner DONGFENG COMML VEHICLE CO LTD